Nno one, while soldiering in the
field,[a]on duty entangles distracts[b]
himself in with the affairs preoccupations[c]of life, that he may so as to please him
the one who enrolled enlisted him as a
soldier.

¶Remind them of these things, charging themtestifying
sincerely in the sight of the Lord before God, that
they don’t not to argue about words, to
no profit avail,to at the
subverting detriment[a]of those who hear.

¶Give diligence Endeavor to present show
yourself approved by God, an unabashed [b] workman
worker who doesn’t need to be ashamed,properly
handling delivering the Wword of Ttruth
directly and honestly.[a]

b ανεπαισχυντος: not fully without strength. επαισχυντος refers to being totally without the strength to perform -- hence, always embarrassed and subject to humilation. The exhortation is to have sufficient preparation in the Word to be able to explain.

But shun eschew [steer clear of] empty chatter
the subversive [undermining] nonsense,[a] for they
it will proceed further advance
in ungodliness irreverance,

———

a Gk. βεβήλους κενοφωνίας (see also 1 Timothy 6:20). Desecrative [see Heb. 12:1] empty-noises or -noisemaking. This presumably describes the misleading untruths such as in 2:18 that the resurrection has already happened, therefore nonsense.

men who, saying the resurrection to have already happened,have erred were wrong[a]concerning the
truth, saying that the resurrection is already past, and overthrowing
are upending the faith of some.[b]

———

a Gk. ἀστοχέω, to miss the mark or be off the mark. See also 1 Timothy 6:21.